Messages in this thread Patch in this message | | | From | Chris Cui <> | Subject | [PATCH] rtc: fix pcf8523 bug in month definition. | Date | Thu, 10 Apr 2014 00:34:49 +0800 |
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PCF8523 uses 1-12 to represent month according to datasheet. link: www.nxp.com/documents/data_sheet/PCF8523.pdf
Signed-off-by: Chris Cui <chris.wei.cui@gmail.com> --- drivers/rtc/rtc-pcf8523.c | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-)
diff --git a/drivers/rtc/rtc-pcf8523.c b/drivers/rtc/rtc-pcf8523.c index 5c8f822..56796a7 100644 --- a/drivers/rtc/rtc-pcf8523.c +++ b/drivers/rtc/rtc-pcf8523.c @@ -204,7 +204,7 @@ static int pcf8523_rtc_read_time(struct device *dev, struct rtc_time *tm) tm->tm_sec = bcd2bin(regs[0] & 0x7f); tm->tm_min = bcd2bin(regs[1] & 0x7f); tm->tm_hour = bcd2bin(regs[2] & 0x3f); - tm->tm_mday = bcd2bin(regs[3] & 0x3f); + tm->tm_mday = bcd2bin(regs[3] & 0x3f) - 1; tm->tm_wday = regs[4] & 0x7; tm->tm_mon = bcd2bin(regs[5] & 0x1f); tm->tm_year = bcd2bin(regs[6]) + 100; @@ -229,7 +229,7 @@ static int pcf8523_rtc_set_time(struct device *dev, struct rtc_time *tm) regs[3] = bin2bcd(tm->tm_hour); regs[4] = bin2bcd(tm->tm_mday); regs[5] = tm->tm_wday; - regs[6] = bin2bcd(tm->tm_mon); + regs[6] = bin2bcd(tm->tm_mon + 1); regs[7] = bin2bcd(tm->tm_year - 100); msg.addr = client->addr; -- 1.8.3.2
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